Provides knowledge related to the structure and function of the musculoskeletal system, the relationship with biomechanical principles, basic physical principles, and the mechanical aspects of human motion. Includes principles of muscle testing, flexibility testing, goniometry, and aspects of normal gait and posture. Pre-requisite: Admission to the PTA Program; Completion of BIO 137 & BIO 139 with a C or better. Co-requisite: [Option 1: PTA 160 and PTA 170] OR [Option 2: PTA 120, PTA 121, PTA 1501, and PTA 170]. Pre-requisite OR Co-requisite: PTA 100 with a grade of C or better. Lecture: 3 credits (45 contact hours).